Cross-weaving loom



Mar. 6, 1923. 1,447,351.

C. LEA.

GROSS WEAVING LOOM.

ORIGINAL FILED NOV. 2, i916.

4 SHEETS-SHEET l- Mar. 6, 1923. v 1,447,351.

' C. LEA.

crwss wmvmc LOOM.

ORIGINAL FILED NOV. 2, 1916. 4 SHEETS-SHEET 2- lmvemiam: z zwsllew Mar.6, 1923. 1 1,447,351.

1 C. LEA.

CROSS WEAVING LOOM. ORIGINAL FILED NOV: 2. 1916. 4 SHEETS-SHEET a.

v Imwewiww: @MWJe L@ 6? Ma r. 6, 1923. 1,447,351. v c. LEA.

.CROSS WEAVING LOOM. ORIGINAL FILED NOV- 2. ma.

4 SHEETS-SHEET 4.

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lmwemibr;

H i i CHARLES LEA, OF BOSTON, MASSACHUSETTS, ASSIGNOR, BY MESNEASSIGNMENTS, TO MOHAWK CARPET MILLS, INC, OF AIESTEEDAM, NEXV YORK, ACORPORATION OF NEW YORK.

CROSS-WEAVING Loon.

Original application filed November 2, 1916, Serial No. 123,072. Dividedand. this application filed October 23, 1913. Serial No. 332,782.

T0 cll'wizom it may concern:

Be it known that I, CHARLES LEA, a citij zen of the United States,1 anda resident of Boston. in the county of Suffolk and State ofMassachusetts, have invented an Improve ment in Cross-Weaving Looms, ofwhich the following description, in COIlIlGCtlOIhWlth the accompanyingdrawings, is a speclfication, like characters on the drawingsrepresenting like parts.

This application is a division oi my co pending application Serial No.129,072, filed November 2,1916, now Patent No. 1,328,570, dated January20, 1920, for mechanism for and process of producing chenille.

This invention relates to cros weaving looms particularly adapted forconstructing or making chenille. In order that the invention may beclearlyunderstood, I have in the accompanying drawings disclosed onetype or embodiment thereof.

In said drawings;-

Fig. 1 is a view partly in side elevation and partly in vertical sectionof an organized machine for constructing chenille in accordance with myinvention;

Fig. 2 is a side elevation thereof; I

Fig. 3 is a view r said machine mainly in end elevation, but omittingcertain parts of the mechanism disclosed in the application of whichthis is a division, but not particularly relating to the subject-matterof thi application;

Fig. 4 is a detail in side elevation and longitudinal section showingthe warp harnesses and the doup harnesses in one position- Fig. 5 is aimilar view, but representing the warp harnessesin another position;

Fig. 6 is a detailmainly in vertical transverse section with partsbroken away, and representing means for moving the doup harnesses; I

Fig. 7 is a section on'the line 77, Fig.

6, showing one of the cams for imparting lateral or shogging movement tothe doup harnesses;

' My invention relates to cross weaving looms which may be used for. anyproper purpose but which are intended more particularly for makingchenille. Referring more particularly t the accompanying {drawings,wherein I have represented a single embodlment only of my invention, theframing of the machine 1s represented 1 generally at 1, it consisting ofsuitable side uprights connected by tie bars or otherwise. At the backof the machine I support a spool or beam 2 whereon the warp threads 3are wound and a spool'or beam 4 whereon the doup threads are wound. Eachof said spools or beam is provided with a brake or tension strap orother means respectively shown at 2, 4. The warp threads 3 are adaptedto be shedded in any suitable manner, and I have herein represented themas extending at a, b respectively through the eyes of needles 6,7 equalin number to the total number f warp threads 3. The said needles 6 and 7are carried by the frames 8, 9 and at their inner faces are provided'vith racks '10,- 11 meshing with circumfere-ntially formed teeth 12upon a rock shaft, whereby said frames and their needles are oppositelyreciprocated in a vertical plane.

The doup threads 5 pass over a rod 13, whereby the slack'may be takenup. For this purpose any suitable construction may be employed. I haveherein represented said rod-13 as mounted on sleeves, one of which isindicated at 1 1 and positioned for vertical sliding movement uponupright posts, one of which is indicated at 15 and carried by the frameof the machine. Suitable coil springs,one of which i indicated at 16,are provided yieldingly to support the rod 13 in the position shown inFig. 1. The doup threads 5 extend through the eyes of needles 17 mountedin and depending from a doup harness frame 18 itself positioned forvertical sliding movement in guideways 19 in the machine framevMovements of vertical reciprocation are imparted to the warp harnessesand movements of vertical reciprocation and of transverse or lateralreciprocation are imparted to the doup harnesses in any suitable manner. For this purpose I have represented the following organization ofparts, to which, however, I am in no wise limited.

Power may be conveyed to the machine in any suitable manner. Herein forthe purpose I have represented the machine as having a drive haft 20mounted in suitable hearings in the machine frame and having fastthereon 'a"'suitable drive pulley, a

connected at its outer end at 31 a connecting rod.32, which. isitsel-f-pivotally connected at g 33 to thewarpheddle frame 9. In this orin an other suitable manner a movement of vertical reciprocation isimparted to' the warp heddle frames 8,9 and sheds are consecutivelyformed with the warp threads in a manner not here-in necessary morefully to set/forth.

In order' to impart movements of vertical reclprocation to the doupharness frame, I

have herein provided the shaft 34 indicated most clearly in Fig. 6, andhave mounted upon theopposite ends thereof crank disks 35', 36 havingcrank pins 37, 38 receiving the ends of links 39, 40 and of suflicientlength to permit slight sliding movement of said links in a directionaxially of the said shaft 34. The upper ends of the links 39, 40 arefor-med as hubs 41, 42 and are suitably connected to the doup harnessframe 18. Upon the opposite sides of the frame are provided two camsurfaces 43, 44, which are oppositely positioned'and upon which ride the"heads of pins 45, 46suitably tappedinto the links 39, 40 aboutmidlength thereof. One of said cam surfaces is indicated more in detailin Fig. 7. Since said cam surfaces are oppositely-positioned, theconstruction and relation of parts are such that in the rocking movementof the shaft. 34 preferably through substantially 320, the doup heddleframe 18 is vertically reciprocated and; at. the same time is laterallyor transversely moved to carry the doup threads across the body of thechenille. Any suitable means may be providedto incorporate.

the'weft with the warp, the, weft incorporated means being preferablyand herein shown as such as to effect the positioning of separatelengths of weft, to the laying of which, however, my invention isobviously not restricted.

The loom. is provided with areed 47, shown most clearlyin Figs. 1 and 4as fast upon the upper end of a reed frame or lever 48, itself looselymounted for rocking movement upon the shaft 23 and having an arm 49vcarrying at its outer end a roll 50 positioned in the cam track 27,whereby said reed is moved to andfro to beat up the weft in a manner notherein necessary more fully to describe. Carried by said reed 47 is asuitable severing instrumentality for. the weft thread, the latter beingindicated at 51" in Fig. 4. Herein for the purpose, I have provided twocutting members, the stationary onewhereof isindicated at 52 in Fig. 4,and the sliding member whereof is indicatedvat 53, a spring 54 beingsecured to the reed to hold said cutting members in cutting relation.The sliding; member 53- is prolonged-below the reed as indicated at 554, and is provided with a roll 56 riding upon a suitable stationary cam57 upon the frame of the machine and held in enagement therewith by asuitable [coil spring 58, the construction and relation ofpartsbeingsuchthat immediately upon the posiin Fig.

tioning of the. weft length in the shed, said length ls severed from thebody of the weft. Any suitable means may be provided to. pre sent asingle weft or anyone of a'plurality of weft threads to the weft needleor filling carrier. If a plurality of weft threads be employed, they maydiffer; among themselves in color or otherwise. In Fig. 3, I haverepresented at 59 a portion of a weft magazine having a number of weftthread tubes 60, each of which is adaptechto carry a suitable weftthread for presentation to the weft needle or other means for insertingthe selected weft thread. Themagazine 59, if employed, may beselectivelyoperated in any suitable manner either automatically or manually. Hereinforthe purpose I have representedthe shaft 61 of said magazine as havingfast thereon a hand wheel 62 by means of which the desired weft threadmay be presented to the weftneedle. I

The weft needlemay be of any suitable character and may be operated inany suit- A able manner. Herein for the purpose and referring moreparticularly .to Fig. 3,1 have represented the weft needle at 63, itbeing mounted in a bracket itself mounted for sliding movementtransversely'of the, machine upon a guide 65 laterally extending fromthe machine frame as indicated most clearly in Fig. 3. l-nordertojimpartsliding to and fro movement to the weft needle, the bracket 64 thereofhas a pin 66 extend ing through a slot 67 inthe upper endiof a lever 68pivoted at 69 upon the machine frame and groove of the cam 71. fast uponthe shaft 25.

As herein set forth, the fabric that is formed is intended to be cutinto. narrow strips, technically known as chenille strips. It is whollyimpracticable to attemptto ferm achenille strip made up of merelystraight warps and weft threads,because such a fabric will notholdtogether. Thewarp threads will be laterally separatedfand the fabricor strip wholly disintegrates or comes apart. It is therefore of thegreatest importance The said cam 71 1s having a roll 70 rcceived by athat doup warp threads be introduced so such a wa that the latter can bevery closely compacte and moreover it is important to provide meanswhereby a relatively large number of different colored weft threads maybe introduced. It would not be practicable to provide a large number ofshuttles for this purpose. Therefore the said features clearly cooperatewith each other.

Having thus described one illustrative embodiment of my invention, Idesire it to be understood that although specific terms are employed,they are used in a generic and descriptive sense, and not for purposesof limitation, the scope of the invention being set forth in thefollowing claims.

Claims:

1. A cross weavin loom comprising in combination, means or interweavingwarp and weft threads including a plurality of straight warp' harnesses,for introducing a plurality of sets of straight warp threads, a doupharness to present a set of doup warp threads, a rock shaft, gearingthereon engaging the straight warp harnesses, thereby to impart oppositereciprocations to said straight warp harness, and connections from saidshaft and cooperating cams to impart reciprocations to said doupharness, and means to introduce weft.

2. A cross weaving loom comprising in combination, means forinterweaving warp and weft threads including a plurality of straightwarp harnesses, for introducing a plurality of sets of straight warpthreads, a doup harness to present a set of doup warp threads, a shaft,gearing thereon engaging the straight warp harnesses, and connectionsfrom said shaft to said doup harness, thereby to impart opposite up anddown reciprocations to said straight warp harnesses and up and downreciprocations to said doup harness, means to introduce weft, and meansto impart lateral movement to said doup harness.

3. A cross weaving loom for making a woven fabric of uniform characterfrom edge to edge adapted to be wholly cut into uniform chenille stripscomprising in combination, means to introduce a plurality of sets ofstraight warps to be shedded, means to present a set of doup warpthreads substantially uniformly spaced throughout the width of thefabric for the production of said uniform chenille strips, means tointroduce in succession throughout the entire width of the fabric aplurality of wefts each of which is disconnected from the precedinglylaid wefts, a rock shaft, connections from said rock shaft to impartopposite up and down reciprocations to the harnesses for the straightwarps and reciprocations to the harness for the doup warps, andcooperating means to impart lateral movement to said harness for thedoup warps.

4. A cross weaving loom comprising in combination, means forinterweaving warp and weft threads including a plurality of straightwarp harnesses, for introducing a plurality of sets of straight warpthreads, 2. doup harness to present a set of doup warp threads, a shaft,connections from said shaft to impart opposite up and downreciprocations to said straight warp harnesses and also up and downreciprocations to said doup harness, means to introduce a weft, andopposite cams on the machine frame to impart lateral movements to thedoup harness.

5. A cross weaving loom comprising in combination, means forinterweaving warp and weft threads including a plurality of straightwarp harnesses, for introducing a plurality of sets of straight Warpthreads, a doup harness to present a set of doup warp threads, a shaft,connections from" said shaft to impart opposite up and downreciprocations to said straight warp harnesses and also up and downreciprocations to said doup harness, cooperating means laterally toreciprocate the doup harness and a reciprocatory needle to introduce aweft.

6. A cross weaving loom for making a woven fabric of uniform characterfrom edge to edge comprisingin combination, means for interweaving warpand weft threads including a plurality of straight warp harnesses forintroducing a plurality of sets of straight warp threads, a doup harnessto present a set of doup warp threads substantially uniformly spacedthroughout the width of the fabric, a shaft, connections from said shaftto impart opposite reciprocations to said straight warp threads, andconnections from said shaft, and cooperating means to impartreciprocations both up and down and laterally to said doup harness, a

raight, warniharnesse and. meansto, partv up; d. olwnl reclprocatlons;to said donp, harnesses, and coioperating means: in:

eluding cams 43,, 44 to impart, transverse movement to said idoupharness, and meansto ntrodu e weft. v

8. A cross. weaving loom, for making a woven fabric of uniform characterfrom.

edge to edge comprising in combination,

means for weaving, warp and weft threads including a plurality of;straight warpkhan nesses for introducing a. plurality of sets ofstraight warp threads a doup harness to presentasetof doup warp threadssubstantially uniformly spaced tl1roughout:.the width. otthefahric'ashaft, connectionsfrom' saidshaft to; v impart opposite up and; downreciprocations to; saidfstraiglit. warp harnesses and up andclownreciprocations to 7 said}: doup, harness, v and? cooperating means.

laterally, to reciprocate the doup harness,v

9, Mechanism for forming a fabric; of.

uniform character frolnedge to edge adaptr ed wholly, to be cut intouniform chenille strips comprising in combination, means to introduce. aplurality of sets of stralghtv wa-rps tohe shedded, means independent ofthe straight warp introducing means to ins trodfi cev donp. warpssubstantially)uniformly spaced throughout the widthofthe fabric for theproduction of; said uniform chenille strips and inclnding mechanismindependent. of? the stra ght warp. lntroducrng means;

laterally to shiftsaid doup warp introducing means; and; means. tointroduce. in-

BUQCQSSIOII; a pluralityf of} wefts,

10. A crossweaving loom, comprising incombination, means forinterweaving warp and weft threads including a pair of straight warp.harnesses each for. introducing a set: of straightwarp threads,,a doupharnessto present a set. ofdoup warp threadsavrock,

shaft, gearing thereon engaging the -straight, warp harnesses thereby toimpartopposite vertical reeiprocations to; sa'idfjstraightfwarpharnesses,. connections from. said'. shaftto the dump warpharness to impart-i vertical.

reciprocations', thereto, and cooperating, means including opposite camsupon the.

loom frame. to impart: lateral} movement to.

saidld'oup harness.

11. A cross-"weavanglooin, COIIIHIlSlDg 1n combination, means, for.interweaving warpneously to o imp art lateral movement. to said donpharness.

Intestiinony whereof, I havesignedmy' name. to thisjspecifieat'ion;

cnnntns LEA.

